87x+4=21

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Solution for 87x+4=21 equation: 



87x+4=21

We move all terms to the left:

87x+4-(21)=0

We add all the numbers together, and all the variables

87x-17=0

We move all terms containing x to the left, all other terms to the right

87x=17

x=17/87

x=17/87

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